The Moundbuilders Country Club golf course on the site of the Octagon Earthworks suspends play for four days each year so that visitors can have the opportunity to walk throughout the earthworks during these “golf-free days.”

Join us for these special opportunities to explore the monumental geometry and astronomy of this amazing structure that was built over 2,000 years ago. For more information about the activities scheduled for particular dates, call 1-800-589-8224.Admission is free.Open House Dates

April 19 & 20, Sunday and MondayJune 1, MondayOctober 18, Sunday

The October date was chosen because Newark Earthworks Day will be on Saturday, October 17. Stay tuned for news about Newark Earthworks Day 2009!